Zscaler

Principal Software Engineer (Service Platform & Orchestration)

Zscaler
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3 months ago
San Jose, CA, USAStaff+
H1B sponsor

Base Salary

$212k - $265k/yr

Responsibilities

  • Lead hands-on development and migration to a Temporal workflow-as-code platform with replay-safe and idempotent workflows.
  • Build a stateful management plane that handles the global fleet as an eventually consistent distributed system.
  • Develop LLM- and ML-enabled services for signal correlation, automated triage, and self-correcting fleet operations.
  • Create framework-level services and internal APIs that make products orchestration-ready with built-in reliability hooks.
  • Implement deep telemetry across metrics, traces, and events so fleet-wide actions are explainable, auditable, and replayable.
  • Engineer management-plane and reliability systems governing the lifecycle of Zscaler’s 100,000+ instance fleet.

Requirements

  • BS or MS in Computer Science or a related technical field.
  • 10+ years of experience working with hyperscale systems.
  • Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions within the functional domain.
  • Active exploration and integration of AI tools to improve workflows and problem-solving.
  • Mastery of backend systems languages such as Go, Java, or Python.
  • Strong experience designing and operating complex distributed systems, including concurrency, failure handling, and performance optimization.
  • Proven experience developing Platform APIs using REST or gRPC with idempotency, verification, and safe rollout guarantees.
  • Preferred proficiency with Cursor or Windsurf for AI-assisted coding.
  • Preferred proficiency with PostgreSQL or other relational stores for high-scale stateful services.
  • Preferred experience with Temporal.io, Cadence, or similar workflow engines.

Benefits

  • Hybrid work arrangement with 3 days in the office.
  • Various health plans.
  • Vacation and sick time off plans.
  • Parental leave options.
  • Retirement options.
  • Education reimbursement.
  • In-office perks.
  • Inclusive workplace and reasonable support accommodations.
Zscaler

About Zscaler

5,001-10,000 employees

Zscaler builds a cloud-delivered zero trust security platform that replaces traditional network security appliances for enterprises and public-sector organizations. Its Zero Trust Exchange provides secure web gateway, zero trust access, CASB, and cloud firewall services, sold as subscriptions and delivered across 160+ global data centers. Founded in 2007 and headquartered in San Jose, it is a public company on NASDAQ (ZS) serving thousands of customers worldwide.

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